CN113801981B - Heat treatment device and heat treatment method for automobile aluminum alloy die castings - Google Patents
Heat treatment device and heat treatment method for automobile aluminum alloy die castings Download PDFInfo
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- CN113801981B CN113801981B CN202111018911.3A CN202111018911A CN113801981B CN 113801981 B CN113801981 B CN 113801981B CN 202111018911 A CN202111018911 A CN 202111018911A CN 113801981 B CN113801981 B CN 113801981B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/04—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering with simultaneous application of supersonic waves, magnetic or electric fields
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a heat treatment device for an automobile aluminum alloy die casting, which comprises a heat treatment furnace main body and a conveying roller way penetrating through the heat treatment furnace main body, wherein five function chambers are arranged in the heat treatment furnace main body, the function chambers sequentially comprise a preheating chamber, a high-temperature heating chamber, a tempering chamber, a quenching chamber and an aging chamber from left to right, sealing doors are arranged at two ends of the heat treatment furnace main body, a cabin door is arranged between the adjacent function chambers, heaters and fans are arranged at the top ends of the preheating chamber, the high-temperature heating chamber and the tempering chamber, a quenching liquid pool is arranged in the quenching chamber, and a heating body and a coil capable of applying electromagnetic energy aging are arranged in the aging chamber. The heat treatment device for the automobile aluminum alloy die casting can be operated continuously, and the influence of the external environment is reduced; and the heat treatment method of the aluminum alloy die casting is optimized, so that the heat treatment quality of the aluminum alloy is effectively improved, and the heat treatment efficiency and quality are obviously improved.
Description
Technical Field
The invention belongs to the technical field of heat treatment, and particularly relates to a heat treatment device for an automobile aluminum alloy die casting. The invention also relates to a heat treatment method of the heat treatment device for the automobile aluminum alloy die casting.
Background
With the requirement of light weight in the new energy automobile industry, automobile bodies and key parts of the automobile bodies reach more than 80% of aluminum alloy extruded profile parts and die-cast aluminum alloy parts, and particularly, the die-cast aluminum alloy has the advantages of high production efficiency and low cost and is used in batches by various automobile manufacturers. The light weight is a very urgent requirement in recent years, and is particularly significant for the transportation industries such as airplanes, trains, automobiles and the like. Generally, if the weight of the whole automobile is reduced by 10%, the fuel efficiency can be improved by 6% -8%. When the whole vehicle mass is reduced by 100 kg, the fuel consumption can be reduced by 0.3-0.6L per hundred kilometers, and the carbon dioxide emission can be reduced by about 5 g/kilometer. Therefore, the aim of the modern new energy automobile for lightening is always pursued. To achieve this goal, the progress and development of new energy automobile materials and technologies play a very important role, and the use of light materials is an important measure for reducing the weight of automobiles.
The aluminum alloy has low density, can well meet the requirement of lightweight automobile body materials, has high strength which is close to or exceeds that of high-quality steel, has good plasticity, easy processing and forming, excellent electrical conductivity and corrosion resistance, heat conductivity which is about three times that of the steel and good heat dissipation, can play a certain role in the thermal attenuation of a braking system, a tire and a braking system of a vehicle, and is widely applied to the field of automobile production and manufacturing at present. However, due to high requirements of the automobile industry, the existing automobile aluminum alloy die casting still has the problems of insufficient mechanical properties, insufficient stability and the like, and has potential safety hazards. In addition, current aluminum alloy heat treatment facility mostly is independent setting, need constantly shift the work piece and roll the wheel to the wheel between each equipment, not only wastes time and energy, and the operation is inconvenient, very easily causes the influence to the metallographic structure of work piece moreover, is unfavorable for the quality of thermal treatment product to accuse.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide the heat treatment device and the heat treatment method for the automobile aluminum alloy die casting, which can be operated continuously, are simple and convenient and reduce the influence of the external environment; and the heat treatment method of the aluminum alloy die casting is optimized, so that the heat treatment quality of the aluminum alloy is effectively improved, and the heat treatment efficiency and quality are obviously improved.
The technical scheme is as follows: a heat treatment device for an automobile aluminum alloy die casting comprises a heat treatment furnace main body and a conveying roller way penetrating through the heat treatment furnace main body, wherein five function chambers are arranged in the heat treatment furnace main body and sequentially comprise a preheating chamber, a high-temperature heating chamber, a tempering chamber, a quenching chamber and an aging chamber from left to right according to a process sequence, sealing doors are arranged at two ends of the heat treatment furnace main body, a cabin door is arranged between every two adjacent function chambers, heaters and fans are arranged at the top ends of the preheating chamber, the high-temperature heating chamber and the tempering chamber, the temperatures in the function chambers can be independently set, and the heaters and the fans with different powers are selected according to process conditions; the quenching chamber is internally provided with a quenching liquid pool, and the aging chamber is internally provided with a heating body and a coil for providing electromagnetic field to apply electromagnetic energy for aging. The functional parameters of each sealing door, each cabin door and each functional room are uniformly controlled by a central control system, and the automation degree is high. The electromagnetic energy can be applied to the aging chamber for aging, so that the aging precipitation time can be shortened, the form and the quantity of aging precipitated phases are influenced, the mechanical property of the material after heat treatment is further improved, and the method is simple and easy to operate and is convenient for industrial production implementation; and each function chamber is adjacently connected, so that continuous operation can be realized, simplicity and convenience are realized, the influence of the external environment is reduced, and the efficiency and the quality of heat treatment are obviously improved.
Furthermore, according to the heat treatment device for the automobile aluminum alloy die castings, the sealing door and the cabin door are made of high-temperature-resistant materials, high-temperature-resistant sealant is arranged on the outer side edges of the sealing door and the cabin door, the sealing performance is good, heat insulation is achieved, and the capacity loss is reduced.
Furthermore, in the heat treatment device for the automobile aluminum alloy die castings, the preheating chamber, the high-temperature heating chamber, the tempering chamber, the quenching chamber and the aging chamber are all internally provided with temperature sensors and smoke sensors, and an air duct for connecting the fan and the functional chamber is provided with an air speed sensor. Through each sensor that sets up, can monitor the internal environment condition of each function room at any time, guarantee that the change of the environment of each function room can be mastered at any time to can in time handle when going wrong.
Furthermore, according to the heat treatment device for the automobile aluminum alloy die castings, a group of water spraying ports are arranged above and below the conveying roller way in the quenching chamber, the water spraying ports above and below are communicated with the quenching liquid pool and are controlled by one control valve respectively, namely the water spraying ports above and below can be opened simultaneously or independently, so that the operation is flexible and convenient for different conditions.
The invention also provides a heat treatment method of the heat treatment device for the automobile aluminum alloy die casting, which comprises the following steps:
1) Preheating, namely placing the die-cast aluminum alloy die casting on a conveying roller way, and conveying the die-cast aluminum alloy die casting to a preheating chamber for homogenization preheating for 3-6h;
2) Carrying out high-temperature heating treatment, namely conveying the die casting subjected to preheating treatment into a high-temperature heating chamber for secondary heating, wherein the heat treatment temperature is 580-630 ℃, and keeping the temperature for 1.5-3h;
3) High-temperature tempering treatment, namely conveying the die casting subjected to high-temperature heating treatment into a tempering chamber with the temperature of 380-420 ℃ for naturally cooling for 0.5-1.5h, then continuously heating to 620-650 ℃, and preserving heat for 1-2 h;
4) Quenching, namely conveying the die casting subjected to tempering into a quenching chamber, spraying water from a water spraying port, and opening the water spraying port above or the water spraying port below or both the water spraying ports at the same time according to requirements, wherein the water quenching temperature is 50-55 ℃;
5) And (3) aging treatment, namely heating an aging chamber to the aging temperature of 170-220 ℃, putting the quenched die casting into the aging chamber, simultaneously applying a magnetic field, and applying electromagnetic energy to the die casting for aging, wherein the aging time is 3-8 h.
Further, in the heat treatment method of the heat treatment device for the automobile aluminum alloy die casting, in the step 1, the preheating temperature of the preheating chamber is 280-300 ℃, and the preheating temperature rise rate is 10-20 ℃/min.
Furthermore, in the heat treatment method of the heat treatment device for the automobile aluminum alloy die casting, the heating rate of the high-temperature heating treatment in the step 2 is 25-35 ℃/min.
Furthermore, in the heat treatment method of the heat treatment device for the automobile aluminum alloy die casting, the temperature rise rate of the high-temperature tempering treatment in the step 3 is 15-25 ℃/min.
Further, in the heat treatment method of the heat treatment apparatus for the automobile aluminum alloy die casting, the frequency of the applied magnetic field for applying electromagnetic energy to the die casting in the step 5 is 40 to 60Hz.
The technical scheme shows that the invention has the following beneficial effects:
1. according to the heat treatment device for the automobile aluminum alloy die casting, the electromagnetic energy is applied to the aging chamber for aging, so that the aging precipitation time can be shortened, the form and the quantity of aging precipitation phases are influenced, the mechanical property of the material after heat treatment is improved to a certain extent, and the heat treatment device is simple and easy to operate and is convenient for industrial production implementation; and each function chamber is adjacently connected, so that continuous operation can be realized, simplicity and convenience are realized, the influence of the external environment is reduced, and the efficiency and the quality of heat treatment are obviously improved;
2. the heat treatment method of the heat treatment device for the automobile aluminum alloy die casting can ensure that the structure of the casting is fully transformed by preheating and properly increasing the heating temperature in the heat treatment process, effectively improve the mechanical property and the impact toughness, flexibly control the cooling mode, ensure the sufficient hardenability of the alloy and the complete transformation of the structure, shorten the aging precipitation time by applying electromagnetic energy for aging, ensure that the precipitated phase is more uniformly dispersed, further improve the mechanical property after the heat treatment, and ensure the requirements of the automobile industry.
Drawings
FIG. 1 is a schematic structural view of an apparatus for heat treatment of an aluminum alloy die casting for an automobile according to the present invention;
in the figure: 1. the device comprises a heat treatment furnace main body, a conveying roller way 2, a function chamber 3, a preheating chamber 31, a high-temperature heating chamber 32, a tempering chamber 33, a quenching chamber 34, an aging chamber 35, a heater 4, a fan 5, a quenching liquid pool 6 and a water spray opening 61.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
As shown in fig. 1, the heat treatment device for the automobile aluminum alloy die casting comprises a heat treatment furnace main body 1 and a conveying roller way 2 penetrating through the heat treatment furnace main body 1, wherein five functional chambers 3 are arranged in the heat treatment furnace main body 1, the functional chambers 3 sequentially comprise a preheating chamber 31, a high-temperature heating chamber 32, a tempering chamber 33, a quenching chamber 34 and an aging chamber 35 from left to right according to a process sequence, sealing doors are arranged at two ends of the heat treatment furnace main body 1, a cabin door is arranged between the adjacent functional chambers 3, heaters 4 and fans 5 are arranged at the top ends of the preheating chamber 31, the high-temperature heating chamber 32 and the tempering chamber 33, the temperatures in the functional chambers 3 can be independently set, and the heaters 4 and the fans 5 with different powers are selected according to process conditions; the quenching chamber 34 is internally provided with a quenching liquid pool 6, and the aging chamber 35 is internally provided with a heating body and a coil for providing electromagnetic energy to apply electromagnetic aging. The functional parameters of each sealing door, each cabin door and each functional room 3 are uniformly controlled by a central control system, and the automation degree is high. The functional chambers 3 are adjacently connected, so that continuous operation can be realized, simplicity and convenience are realized, the influence of an external environment is reduced, and the efficiency and the quality of heat treatment are obviously improved.
The sealing door and the cabin door are both made of high-temperature-resistant materials, high-temperature-resistant sealant is arranged on the outer side edges of the sealing door and the cabin door, the sealing performance is good, heat insulation is achieved, and the capacity loss is reduced.
Temperature sensors and smoke sensors are arranged in the preheating chamber 31, the high-temperature heating chamber 32, the tempering chamber 33, the quenching chamber 34 and the aging chamber 35, and an air duct connected with the fan 5 and the functional chamber 3 is provided with an air speed sensor. Through the sensors, the internal environment condition of each functional room can be monitored at any time.
A group of water spray nozzles 61 are arranged above and below the conveying roller way 2 in the quenching chamber 35, and the upper water spray nozzle 61 and the lower water spray nozzle 62 are communicated with the quenching liquid pool 6 and are respectively controlled by a control valve.
Example 2
A heat treatment method of the heat treatment device of the automobile aluminum alloy die casting is implemented by the heat treatment device of the automobile aluminum alloy die casting in the embodiment 1, and comprises the following steps:
1) And (3) preheating, namely placing the die-cast aluminum alloy die castings on a conveying roller way 2, conveying the die-cast aluminum alloy die castings to a preheating chamber 31 from the conveying roller way 2, and carrying out homogenization preheating treatment 3, wherein the preheating temperature is 280 ℃, and the preheating temperature rise rate is 10 ℃/min.
2) Carrying out high-temperature heating treatment, namely conveying the die casting subjected to preheating treatment into a high-temperature heating chamber 32 for secondary heating, wherein the heat treatment temperature is 580 ℃, the heating rate is 25 ℃/min, and the heat is preserved for 1.5h;
3) High-temperature tempering treatment, namely conveying the die casting subjected to high-temperature heating treatment into a tempering chamber 33 with the temperature of 380 ℃ for naturally cooling for 0.5h, then continuously heating to 620 ℃, keeping the temperature at the heating rate of 15 ℃/min, and keeping the temperature for 1 h;
4) Quenching, namely conveying the die casting subjected to tempering into a quenching chamber 34, spraying water from a water spraying port 61, and opening the water spraying port 61 above or the water spraying port 61 below or opening both the water spraying ports at the same time according to requirements, wherein the water quenching temperature is 50 ℃;
5) And (3) aging treatment, namely heating the aging chamber 35 to the aging temperature of 170 ℃, putting the quenched die casting into the aging chamber 35, simultaneously applying a magnetic field with the frequency of 20Hz, and applying electromagnetic energy to the die casting for aging for 3h.
Example 3
A heat treatment method of a heat treatment device for an automobile aluminum alloy die casting is implemented by the heat treatment device for the automobile aluminum alloy die casting in example 1, and comprises the following steps:
1) Preheating, namely placing the die-cast aluminum alloy die castings on a conveying roller way 2, conveying the die-cast aluminum alloy die castings to a preheating chamber 31 from the conveying roller way 2, and carrying out homogenization preheating treatment for 4.5h, wherein the preheating temperature is 290 ℃, and the preheating temperature rise rate is 15 ℃/min.
2) Carrying out high-temperature heating treatment, namely conveying the die casting subjected to the preheating treatment into a high-temperature heating chamber 32 for secondary heating, wherein the heat treatment temperature is 600 ℃, the heating rate is 30 ℃/min, and the temperature is kept for 2h;
3) Carrying out high-temperature tempering treatment, namely conveying the die casting subjected to high-temperature heating treatment into a tempering chamber 33 with the temperature of 400 ℃ for naturally cooling for 1h, then continuously heating to 630 ℃, keeping the temperature at the heating rate of 20 ℃/min for 1.5h;
4) Quenching, namely conveying the die casting subjected to tempering into a quenching chamber 34, spraying water from a water spraying port 61, and opening the water spraying port 61 above or the water spraying port 61 below or opening both the water spraying ports at the same time according to requirements, wherein the water quenching temperature is 55 ℃;
5) And (3) aging treatment, namely heating the aging chamber 35 to the aging temperature of 200 ℃, putting the quenched die casting into the aging chamber 35, simultaneously applying a magnetic field with the frequency of 40Hz, and applying electromagnetic energy to the die casting for aging for 5h.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (6)
1. A heat treatment method of an automobile aluminum alloy die casting is characterized by comprising the following steps: the heat treatment device for the automobile aluminum alloy die castings comprises a heat treatment furnace main body (1) and a conveying roller way (2) penetrating through the heat treatment furnace main body (1), five function chambers (3) are arranged in the heat treatment furnace main body (1), the function chambers (3) sequentially comprise a preheating chamber (31), a high-temperature heating chamber (32), a tempering chamber (33), a quenching chamber (34) and an aging chamber (35) from left to right according to a process sequence, sealing doors are arranged at two ends of the heat treatment furnace main body (1), a cabin door is arranged between every two adjacent function chambers (3), heaters (4) and fans (5) are arranged at the top ends of the preheating chamber (31), the high-temperature heating chamber (32) and the tempering chamber (33), a quenching liquid bath (6) is arranged in the quenching chamber (34), and a heating body and a coil for providing an electromagnetic field to apply electromagnetic energy for aging are arranged in the aging chamber (35); temperature sensors and smoke sensors are arranged in the preheating chamber (31), the high-temperature heating chamber (32), the tempering chamber (33), the quenching chamber (34) and the aging chamber (35), and an air duct connecting the fan (5) and the function chamber (3) is provided with an air speed sensor; a group of water spray nozzles (61) are respectively arranged above and below the conveying roller way (2) in the quenching chamber (34), the water spray nozzles (61) above and the water spray nozzles (61) below are respectively communicated with the quenching liquid pool (6) and are respectively controlled by a control valve;
the heat treatment method of the automobile aluminum alloy die casting comprises the following steps:
1) Preheating, namely placing the die-cast aluminum alloy die casting on a conveying roller way (2), and conveying the die-cast aluminum alloy die casting to a preheating chamber (31) through the conveying roller way (2) for homogenization preheating for 3-6h;
2) High-temperature heating treatment, namely conveying the die casting subjected to the preheating treatment into a high-temperature heating chamber (32) for secondary heating, wherein the heat treatment temperature is 580-630 ℃, and the heat is preserved for 1.5-3h;
3) High-temperature tempering treatment, namely conveying the die casting subjected to high-temperature heating treatment into a tempering chamber (33) with the temperature of 380-420 ℃ for naturally cooling for 0.5-1.5h, then continuously heating to 620-650 ℃, and preserving heat for 1-2 h;
4) Quenching treatment, namely conveying the die casting subjected to tempering treatment into a quenching chamber (34), and spraying water from a water spraying port (61) at the water quenching temperature of 50-55 ℃;
5) And (3) aging treatment, namely heating the aging chamber (35) to the aging temperature of 170-220 ℃, putting the quenched die casting into the aging chamber (35), applying a magnetic field at the same time, and applying electromagnetic energy to the die casting for aging, wherein the aging time is 3-8 h.
2. The heat treatment method for an automobile aluminum alloy die casting as set forth in claim 1, wherein: the sealing door and the cabin door are both made of high-temperature-resistant materials, and high-temperature-resistant sealants are arranged on the outer side edges of the sealing door and the cabin door.
3. The heat treatment method of an automobile aluminum alloy die casting according to claim 1, characterized in that: the preheating temperature of the preheating chamber (31) in the step 1) is 280-300 ℃, and the preheating heating rate is 10-20 ℃/min.
4. The heat treatment method for an automobile aluminum alloy die casting as set forth in claim 1, wherein: the heating rate of the high-temperature heating treatment in the step 2) is 25-35 ℃/min.
5. The heat treatment method for an automobile aluminum alloy die casting as set forth in claim 1, wherein: the heating rate of the high-temperature tempering treatment in the step 3) is 15-25 ℃/min.
6. The heat treatment method of an automobile aluminum alloy die casting according to claim 1, characterized in that: the frequency of the applied magnetic field for applying electromagnetic energy to the die casting in the step 5) is 40-60Hz.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746579U (en) * | 2010-06-02 | 2011-02-16 | 梅河口市兴业精密钢管有限公司 | Thermal treatment furnace of multi-thread roller bottom type continuous tunnel |
| KR20120088045A (en) * | 2010-10-28 | 2012-08-08 | 한병수 | aluminium alloy plate heat treatment apparatus |
| CN202626272U (en) * | 2012-05-21 | 2012-12-26 | 温州瑞明工业股份有限公司 | Solid-melt quenching aging heat processing mechanism of cylinder cover casting |
| CN203144484U (en) * | 2013-03-30 | 2013-08-21 | 励茂华 | High-temperature vertical strip material heat treatment test furnace with functions of ventilating and mist exhausting |
| CN106884129A (en) * | 2017-03-14 | 2017-06-23 | 广州金邦液态模锻技术有限公司 | A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle |
| CN108531702A (en) * | 2018-07-02 | 2018-09-14 | 内蒙古科技大学 | Annealing device, method and system for the quick timeliness of aluminium alloy electric magnetic energy |
-
2021
- 2021-09-01 CN CN202111018911.3A patent/CN113801981B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746579U (en) * | 2010-06-02 | 2011-02-16 | 梅河口市兴业精密钢管有限公司 | Thermal treatment furnace of multi-thread roller bottom type continuous tunnel |
| KR20120088045A (en) * | 2010-10-28 | 2012-08-08 | 한병수 | aluminium alloy plate heat treatment apparatus |
| CN202626272U (en) * | 2012-05-21 | 2012-12-26 | 温州瑞明工业股份有限公司 | Solid-melt quenching aging heat processing mechanism of cylinder cover casting |
| CN203144484U (en) * | 2013-03-30 | 2013-08-21 | 励茂华 | High-temperature vertical strip material heat treatment test furnace with functions of ventilating and mist exhausting |
| CN106884129A (en) * | 2017-03-14 | 2017-06-23 | 广州金邦液态模锻技术有限公司 | A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle |
| CN108531702A (en) * | 2018-07-02 | 2018-09-14 | 内蒙古科技大学 | Annealing device, method and system for the quick timeliness of aluminium alloy electric magnetic energy |
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